(19)
(11) EP 2 759 471 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
03.01.2018 Bulletin 2018/01

(43) Date of publication A2:
30.07.2014 Bulletin 2014/31

(21) Application number: 13196929.7

(22) Date of filing: 12.12.2013
(51) International Patent Classification (IPC): 
B64C 3/38(2006.01)
F01D 5/14(2006.01)
 B64C 11/18(2006.01)
B64D 27/00(2006.01)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME

(30) Priority: 25.01.2013 GB 201301329

(71) Applicant: Rolls-Royce plc
London SW1E 6AT (GB)

(72) Inventor:
  • Namgoong, Howoong
    Derby, DE23 3UE (GB)

(74) Representative: Rolls-Royce plc 
Intellectual Property Dept SinA-48 PO Box 31
Derby DE24 8BJ
Derby DE24 8BJ (GB)

   


(54) Fluidfoil


(57) A fluidfoil 31, 63 is disclosed comprising a leading edge 33, 55 and a leading edge zone 35, 65 behind the leading edge 33, 55. The leading edge zone 35, 65 extends spanwise for the full length of the fluidfoil 31, 63. The leading edge zone 35, 65 comprises one or more deflected regions 45, 67 which locally reduce the angle of attack of the fluidfoil 31, 63.







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